PurposeThis study aims to assess residential energy consumption knowledge, attitudes, and practices in Abuja Municipality, providing insights for effective conservation strategies, reducing costs and mitigating environmental impact.Design/methodology/approachData for this study was collected through a cross-sectional survey conducted among a representative sample of the Nigerian population between February and April 2021. A total of 462 questionnaire responses were collected and subsequently analysed using SPSS. Descriptive statistics, including frequency count, percentages, mean, and standard deviation, were calculated. Additionally, inferential statistics were performed using Chi-Square analysis, with significant level set at p = 0.05 to draw meaningful conclusions from the data.FindingsThe study results indicate that out of the total respondents, 244 individuals (67.4%) demonstrated a profound knowledge of and good practice in energy utilisation. In comparison, 118 individuals (32.6%) exhibited poor knowledge and practice in energy saving. Moreover, the findings reveal a significant association between the sociodemographic factors of the respondents, building type, and their overall practice in energy utilisation. Statistical analysis shows significant? 2 values for each case: 8.563 (p = 0.003), 66.736 (p = 0.000), 60.866 (p = 0.000), 23.487 (p = 0.000), 37.877 (p = 0.000), and 92.334 (p = 0.000), respectively, where p < 0.05. These results highlight the importance of considering sociodemographic profiles and building characteristics when assessing general energy utilisation practices.Originality/valueThe research offers valuable insights into Nigerian energy usage behaviours and attitudes towards energy saving in residential buildings, contributing significantly to the knowledge base.